16 Tex. Admin. Code § 14.2319 - Automatic Fuel Dispenser Safety Requirements
(a) Automatic fuel dispensers shall be
fabricated of material suitable for LNG and resistant to the action of LNG
under service conditions. Pressure containing parts shall be stainless steel,
brass, or other equivalent cryogenic material. Aluminum may be used for
approved meters.
(b) Electric
installations within dispenser enclosures and the entire pit or open space
beneath dispensers shall comply with NEC, Class 1, Group D, Division 1, except
for dispenser components located at least 48 inches above the dispenser base
which NEC states are intrinsically safe.
(c) Valves, metering equipment, and other
related equipment installed on automatic dispensers shall meet all applicable
requirements of the rules in this chapter.
(d) In addition to NFPA 52 §10.4.1,
automatic dispensers shall be protected from damage by vehicle collision by
fencing and guardrails installed in accordance with §
14.2101 of this title (relating to
System Protection Requirements).
(e) A device shall be installed in the liquid
piping so that displacement of an automatic dispenser will result in the
displacement of such piping on the downstream side of the device.
(f) The fueling nozzle shall prevent LNG from
being discharged unless the nozzle is connected to the vehicle.
(g) A key, card, or code system shall be used
to activate the automatic dispenser.
(h) Automatic dispensers shall incorporate
cutoff valves with opening and closing devices which ensure the valves are in a
closed position when dispensers are deactivated.
(i) LNG fuel storage installations which
include automatic dispensers shall be equipped with an emergency shut-down
device for the entire LNG installation located at least 20 feet from the
nearest dispenser or storage area. The emergency shut-down device shall be
distinctly marked for easy recognition in compliance with the requirements of
§
14.2101 of this title.
(j) If automatic dispensers are to be used
during hours of darkness, permanent adequate lighting shall be provided to
facilitate proper operations.
(k)
Fuel dispensers, including automatic dispensers, may be operated only by an
individual who has been properly trained.
(1)
The licensee owning, operating, or servicing a CNG fuel dispensing facility
shall ensure the safe operation of the system and provide training to
users.
(2) Step-by-step operating
instructions provided by the manufacturer shall be posted at or on each
automatic dispenser, readily visible to the operator during transfer
operations. The instructions shall describe each action necessary to operate
the automatic dispenser and include the location of and procedure for
activating emergency shutoff equipment.
(3) Each person or entity who operates a fuel
dispenser, excluding an automatic dispenser, shall be provided with written
instructions and safe operating procedures by the licensee. The person
operating the dispenser should be cautioned to study and preserve such
instructions and procedures.
Notes
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